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IPPS
2006
IEEE
13 years 10 months ago
Accelerating DTI tractography using FPGAs
Diffusion Tensor Imaging (DTI) tractography in Magnetic Resonance Imaging (MRI) is a computationally intensive procedure, requiring on the order of tens of minutes to complete tr...
Kwatra Kwatra, Viktor K. Prasanna, Mitali Singh
ICRA
2006
IEEE
96views Robotics» more  ICRA 2006»
13 years 10 months ago
A Hybrid Method for 6-DOF Tracking of MRI-compatible Robotic Interventional Devices
Abstract— This paper reports a novel hybrid method of tracking the position and orientation of robotic medical instruments within the imaging volume of a magnetic resonance imagi...
Axel Krieger, G. Metzger, Gabor Fichtinger, Ergin ...
ICRA
2006
IEEE
95views Robotics» more  ICRA 2006»
13 years 10 months ago
Numerical Simulations and Lab Tests for Design of MR-compatible Robots
— A numerical simulation of the magnetic field in the imaging volume of a magnetic resonance imaging (MRI) scanner and a method for quick searches for electromagnetic noise sour...
Kiyoyuki Chinzei, Kiyoshi Yoshinaka, Toshikatsu Wa...
IBPRIA
2007
Springer
13 years 11 months ago
On the Detection of Regions-of-Interest in Dynamic Contrast-Enhanced MRI
Multivariate imaging technologies such as Dynamic Contrast-Enhanced Magnetic Resonance Imaging (DCE-MRI) have recently gained an important attention as it improves tumour detection...
David Raba, Marta Peracaula, Robert Marti, Joan Ma...
BMEI
2008
IEEE
13 years 11 months ago
On Image Registration in Magnetic Resonance Imaging
Image registration is used in many fields for mapping one image to another. In magnetic resonance imaging (MRI) applications, one of the main uses is for correction of motionindu...
Peihua Qiu, Tram Nguyen
ISBI
2008
IEEE
14 years 5 months ago
FMRI brain activity and underlying hemodynamics estimation in a new Bayesian framework
The emerging functional MRI (Magnetic Resonance Imaging), fMRI, imaging modality was developed to obtain non-invasive information regarding the neural processes behind pre-determi...
David M. Afonso, João M. Sanches, Martin H....
ISBI
2008
IEEE
14 years 5 months ago
On approximation of orientation distributions by means of spherical ridgelets
Visualization and analysis of the micro-architecture of brain parenchyma by means of magnetic resonance imaging is nowadays believed to be one of the most powerful tools used for ...
Oleg V. Michailovich, Yogesh Rathi
ISBI
2006
IEEE
14 years 5 months ago
Exact correction of sharply varying off-resonance effects in spiral MRI
Magnetic Resonance Imaging with non-Cartesian acquisition schemes suffer from blurring artifacts induced by offresonance. Conventional algorithms for off-resonance correction are ...
Mahender K. Makhijani, Krishna S. Nayak
IPMI
2009
Springer
14 years 5 months ago
Active imaging with dual spin-echo diffusion MRI
Abstract. Active imaging is a recently developed approach to modelbased optimisation of imaging protocols. In the application we discuss here, a diffusion magnetic resonance imagin...
Chris A. Clark, Daniel C. Alexander, Jonathan D. C...
ICIP
2009
IEEE
14 years 5 months ago
Wavelet-based Parallel Mri Regularization Using Bivariate Sparsity Promoting Priors
Parallel magnetic resonance imaging (pMRI) using multiple receiver coils has emerged as a powerful 3D imaging technique for reducing scanning time or increasing image resolution. ...